package com.atcd.springcloud.controller;



import com.alibaba.csp.sentinel.annotation.SentinelResource;
import com.alibaba.csp.sentinel.slots.block.BlockException;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.util.concurrent.TimeUnit;

@RestController
@Slf4j
public class FlowLimitController {
    @GetMapping("/testA")
    public String testA() {

        //QPS ==> 放在门外面
        //线程数 ==> 关门打狗

        // 测试阈值类型(如果阈值设置1)：线程数,当有一个线程进来，延迟，再有人进来就没有抢到服务直接报错
//        try {
//            TimeUnit.MILLISECONDS.sleep(2000);
//        } catch (InterruptedException e) {
//            e.printStackTrace();
//        }


        log.info(Thread.currentThread().getName() + " testb");
        return "------testA";
    }

    @GetMapping("/testB")
    public String testB() {

//        log.info(Thread.currentThread().getName()+" testb");
        return "------testB";
    }


    //测试 warm up 预热  10/3(冷却因子)
    @GetMapping("/codeTest")
    public String testCode() {
        return "code ---test";
    }


    //测试服务降级
    @GetMapping("/testD")
    public String testD() {
        try {
            TimeUnit.SECONDS.sleep(1);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        log.info("testD 测试RT");

        return "------testD";
    }


    //测试服务异常导致 --> 降级
    @GetMapping("/testE")
    public String testE() {
        log.info("testD 测试RT");
        int age = 10 / 0;
        return "------testE";
    }

    //测试异常数导致 --> 降级
    @GetMapping("/testF")
    public String testF() {
        log.info("testF 测试异常数");
        int age = 10 / 0;
        return "------testF";
    }


    @GetMapping("/testHotKey")
    @SentinelResource(value = "testHotKey", blockHandler = "deal_testHotKey")
    public String testHotKey(@RequestParam(value = "p1", required = false) String p1,
                             @RequestParam(value = "p2", required = false) String p2) {
//        int age = 10/0;
        return "------testHotKey";
    }

    //兜底方法 (单独的拦截兜底方法，也可以直接通过handler统一拦截)
    public String deal_testHotKey(String p1, String p2, BlockException exception) {
        return "------deal_testHotKey,o(╥﹏╥)o";
    }
}
 
 
